What is the power expended when a 17.3 N force pushes a cart 3.9 m in 0.9 seconds? Physics Work and Energy Power 1 Answer Jane Mar 18, 2018 Work done in this process is #W=F*s =17.3*3.9=67.47J# So,power expended is #P=W/t =67.47/0.9=74.97# watt Answer link Related questions What is power? How are work and power related? How are force and power related? How does power affect work? How does power differ from energy? How does power change with voltage? How does power relate to torque? How does work relate to conservation of energy? How does work relate to gravitational potential energy? What is horsepower? See all questions in Power Impact of this question 4779 views around the world You can reuse this answer Creative Commons License